20210103:增加安卓后退按键

wei

2021-01-04 5c25f9546d0954befb202910540a5ac59af1adfe

 HDL_ON/UI/UI1-Login/RegisterPageBLL.cs

old mode 100755
new mode 100644
@@ -610,6 +610,7 @@
                    Application.RunOnMainThread(() =>
                    {
                        waitPage.Hide();
                        waitPage.RemoveFromParent();
                    });
                }
            });